CN103727768A - Heat accumulating type overlapping heat pump two-level back-heating dehydration roasting chamber system - Google Patents
Heat accumulating type overlapping heat pump two-level back-heating dehydration roasting chamber system Download PDFInfo
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- CN103727768A CN103727768A CN201210392262.8A CN201210392262A CN103727768A CN 103727768 A CN103727768 A CN 103727768A CN 201210392262 A CN201210392262 A CN 201210392262A CN 103727768 A CN103727768 A CN 103727768A
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Abstract
The invention relates to a roasting chamber, in particular to a heat accumulating type overlapping heat pump two-level back-heating dehydration roasting chamber system. The heat accumulating type overlapping heat pump two-level back-heating dehydration roasting chamber system structurally comprises a roasting chamber of a heat insulation structure, the top of the roasting chamber is communicated with a heat accumulating type overlapping heat pump mechanism through a mixed air flow guiding box, the side wall of the roasting chamber is provided with a circulating fan, an air flue communicated with the circulating fan is internally provided with a heating coil, and the air flue is connected with a fresh air flue. Compared with the prior art, the heat accumulating type overlapping heat pump two-level back-heating dehydration roasting chamber system has the advantages of being reasonable in design, simple in structure, efficient and wide in application range and saving energy.
Description
Technical field
The present invention relates to a kind of drying room, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system is specifically provided.
Background technology
Current heat-pump-type heated-air drying drying room, adopts single working medium heating power system, and the drying process that is confined to condition range is made.Again because the working medium in its regenerator can only be moved in certain specific volume and temperature range, make current heat pump drying room be difficult to meet the target temperature of stoving process, especially more outstanding during clammy weather environment.The above is the greatest weakness of current heat pump drying room, seriously restricts its widespread popularity.
Summary of the invention
The present invention be directed to above problem, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system is provided, it uses heat accumulating type to cover the mechanism of overlapping heat pump operation, and the Hot wet air heating of discharge is done to the utilization of secondary backheat dewatering cycle.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system, the drying room that comprises heat insulating construction, described drying room top is communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank, on described drying room sidewall, be provided with circulating fan, in the air channel that described circulating fan is communicated with, be provided with heat(ing) coil, connection fresh flue, described air channel.
Heat accumulating type overlapping heat pump mechanism comprises the middle temperature system evaporator that is arranged at drying room top, described middle temperature system evaporator inside arranges high-temperature systems evaporimeter B, described middle temperature system evaporator outer setting wet-emitting blower, compound type heat exchanger during described middle temperature system evaporator connects by pipeline respectively in the warm water pot A of warm system compresses machine and insulation, middle temperature system compresses machine connects the compound type heat exchanger in the warm water pot A of insulation by pipeline; Described high-temperature systems evaporimeter B connects high-temperature systems compressor B and the warm water pot B of insulation by pipeline respectively, in the warm water pot B of described insulation, be provided with high-temperature systems condenser A and high-temperature systems condenser B, described high-temperature systems condenser B connects high-temperature systems compressor B by pipeline, high-temperature systems condenser A connects high-temperature systems compressor A by pipeline, and described high-temperature systems compressor A also connects described compound type heat exchanger by pipeline.
In fresh flue, be provided with miter gate, new wind Electric air valve and rodent-proof mesh.
Mixing air guide tank top arranges rodent-proof mesh, and bottom is provided with hydrofuge Electric air valve.
A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention, comprising: heat accumulating type covers overlapping heat pump device and secondary backheat dehydration drying room.By its high temperature refrigerant heating power system and middle temperature working medium heating power system minute other liquid, steam pipe, is connected condenser in A, the B insulation water vat that heat accumulating type covers overlapping heat pump device and the secondary backheat evaporator that drying room pushes up that dewaters.
Heat accumulating type covers overlapping heat pump and comprises warm power system and two groups of high temperature heating power systems in one group.
In warm power be that tube-in-tube condenser is arranged in middle warm water cylinder, with the beam tube type evaporimeter installing of one group of high temperature heating power system be wherein the laminating heat exchanger of immersion type.
The condenser of two groups of high temperature heating power systems is arranged in high temperature water vat B, installs as immersion type combination exchanger.
In warm power system be arranged on secondary backheat dehydration drying room top with the evaporimeter of one group of high temperature heating power system, install the heat exchange dehydrating unit into the dehydration of secondary backheat.
Secondary backheat dehydration drying room, comprises adiabatic room body and two groups of finned heat exchangers, and two groups automatically switch and turn to circulating fan and with automatic hydrofuge air grid and the new air grid assembly of auto-steering of control valve.
A water vat is provided with middle Warm water circulation water pump, and during its delivery port connects, warm power is the central tube entrance of tube-in-tube condenser, and its outlet is sprayed in A water vat.
Heat accumulating type covers overlapping heat pump secondary backheat dehydration drying room, and B water vat is provided with high-temperature water water circulating pump, and it is tube-in-tube condenser central tube entrance that pump outlet accesses two groups of high temperature heating power, and outlet is sprayed in B water vat.
Described heat accumulating type covers overlapping heat pump secondary backheat dehydration drying room, between B water vat and drying room heat exchanger, is provided with high temperature circulation water pump.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts heat accumulating type to cover folded heat exchange.Working medium flows in sleeve pipe interlayer, inside and outside it all with WATER AS FLOW MEDIUM heat exchange, effectively improved heat exchange efficiency.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts heat accumulating type to cover folded heat exchange, and water pump is only done the WATER AS FLOW MEDIUM circulation in sleeve pipe and cylinder, than the conveying merit of current heat pump drying room, significantly declines.
The used heat heat exchange respectively that the heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts the evaporimeter of medium and high temperature working medium heating power system to discharge drying room, makes the full recuperation of heat recycling of convection current of stoving process.
It is that evaporimeter is done first order dehydration to drying discharge Hot wet air heating that the heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts high temperature refrigerant heating power, again by warm working medium heating power be evaporimeter do second level dehydration air loopback to drying room, improve the dehumidifier ability of drying room.
The beneficial effect of the heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention is:
1, medium heat coolant-temperature gage is higher, can be up to 90 ℃.
The convection heat classification of 2, drying is reclaimed, and device security is reliable.
The convection heat recycle and reuse of 3, drying, energy-conservation index is high.
4, drying room air intake is processed through secondary dehumidifier, and drying effect is good.
5, can utilize night paddy electricity price to prepare hot water, economic performance is good.
6, Whole Equipment is in plant produced, and quality control is easier to realize.
Compared with prior art, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention, wherein condenser and the evaporimeter of warm working medium heating power system and high temperature refrigerant heating power system are immersed in A with the form of sleeve pipe respectively, in B water vat, cover folded heat exchange operation, make medium hot water enter drying room up to 90 ℃, when heating material is processed, the used heat humid air of discharge being done to dehydration and the recuperation of heat of secondary processes, heat recovery is used through heat pump recirculation, after dehydration, air loopback is used to drying room air intake, the Energy Efficiency Ratio of comparable current heat pump drying room improves approximately 40%.
Accompanying drawing explanation
Fig. 1 is a kind of structure principle chart of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system.
In figure: 1, middle temperature system 1 compressor; 2, high-temperature systems 2 compressors; 3, high-temperature systems 3 compressors; 4, combined type is changed interchanger; 5, high-temperature systems 2 condensers; 6, high-temperature systems 3 condensers; 7, high-temperature systems 2 expansion valves; 8, middle temperature system 1 expansion valve; 9, high-temperature systems 3 expansion valves; 10, warm water-circulating pump; 11, hot water circulating pump A; 12, hot water circulating pump B; 13-1,13-2, middle temperature system 1 evaporimeter; 14-1,14-2, high-temperature systems 3 evaporimeters; 15-1,15-2, wet-emitting blower; 16-1,16-2, heat(ing) coil; 17-1,17-2, circulating fan; 18, heat insulating construction drying room; 19, the warm water pot A of insulation; 20, the warm water pot B of insulation; 21-1,21-2, miter gate; 22, hydrofuge Electric air valve; 23-1,23-2, new wind Electric air valve; 24-1,24-2,24-3; Rodent-proof mesh; 25, mixing air guide tank.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention is further described.
As shown in Figure 1, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention, the drying room 18 that comprises heat insulating construction, described drying room 18 tops are communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank 25, on described drying room 18 sidewalls, be provided with circulating fan 17-1 and 17-2, in the air channel that described circulating fan 16-1 and 16-2 are communicated with, be provided with heat(ing) coil 16-1 and 16-2, connection fresh flue, described air channel.
Heat accumulating type overlapping heat pump mechanism comprises middle temperature system 1 evaporimeter (13-1,13-2) and high-temperature systems 3 evaporimeters (14-1,14-2) that are arranged at drying room 18 tops, described middle temperature system 1 evaporimeter (13-1,13-2) high-temperature systems 3 evaporimeters (14-1,14-2) outer setting wet-emitting blowers (15-1,15-2), described middle temperature system 1 by pipeline, is connected 1 heating power system respectively with high-temperature systems 3 evaporimeters and 3 heating power are.The compound type heat exchanger that the condenser of middle temperature 1 heating power system and the evaporimeter institute combination of high temperature 2 heating power systems are set in water pot A is warmed up in insulation, connects 1,2 heating power be respectively by pipeline.
In fresh flue, be provided with miter gate (23-1,23-2), new wind Electric air valve (21-1 and 21-2) and rodent-proof mesh (24-1 and 24-2).
Mixing air guide tank 25 tops arrange rodent-proof mesh 24-3, and bottom is provided with hydrofuge Electric air valve 22.
As Fig. 1: a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system work process of the technology of the present invention is as follows:
Click " system operation " → warm water-circulating pump 10 starting → compressors 1 start, in warm power be to put into operation.The water temperature that is incubated warm water pot A19 rises, when water temperature rises to 40 ℃, and hot-water circulating pump 11 starting → compressors 2 startings, covering folded heating power is to put into operation.The water temperature of the warm water pot B20 of insulation rises, hot-water circulating pump 12 startings when water temperature rises to setting, the heat(ing) coil 16-1 of drying room, circulating fan 17-1 when 16-2 surface temperature rises to setting, when 17-2 starting → drying room temperature rises to setting hydrofuge Electric air valve 22 unlatching → mixing air guide tank 25 air themperatures higher than 45 ℃, compressor 3 startings, (otherwise stopping) → mixing air guide tank 25 air themperatures are put into operation lower than 1 starting (otherwise stopping) of 45 ℃ of compressors → being incubated warm water pot A19 water temperature starts (otherwise stopping) higher than 40 ℃ of compressors 2 in high temperature heating power system.
Two groups of circulating fans turn to once for every 30 minutes, air skims over heat exchanger fin and heats up, skim over again material and improved the temperature of material, in material, moisture content is wet gradient and separates out the surface hot blast that is dried and take away, Hot wet air heating group amasss at drying room top, under the pressure of drying room and the driving of wet-emitting blower 15, Hot wet air heating drains into and enters high temperature heating power after mixing air guide tank 25 mixes with atmosphere is evaporimeter 14-1, 14-2 makes a heat exchange and processed, during mixing air after single treatment enters, warm power is evaporimeter 13-1, 13-2, making secondary heat exchange and second dehydration processes.Air after second heat exchange and second dehydration enters new wind motor-driven valve and sends drying room back to, realizes the energy-saving run that recycles of the secondary recuperation of heat of hydrofuge air and secondary dehydration.
Above-described embodiment, the technology of the present invention specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out within the scope of the technology of the present invention technical scheme and replacing all should be included in the protection domain of the technology of the present invention.
Claims (4)
1. heat accumulating type overlapping heat pump secondary backheat dehydration drying room system, the drying room that comprises heat insulating construction, it is characterized in that, described drying room top is communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank, on described drying room sidewall, be provided with circulating fan, in the air channel that described circulating fan is communicated with, be provided with heat(ing) coil, connection fresh flue, described air channel.
2. a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system according to claim 1, it is characterized in that, described heat accumulating type overlapping heat pump mechanism comprises the middle temperature system evaporator that is arranged at drying room top, described middle temperature system evaporator inside arranges high-temperature systems evaporimeter B, described middle temperature system evaporator outer setting wet-emitting blower, compound type heat exchanger during described middle temperature system evaporator connects by pipeline respectively in the warm water pot A of warm system compresses machine and insulation, middle temperature system compresses machine connects the compound type heat exchanger in the warm water pot A of insulation by pipeline, described high-temperature systems evaporimeter B connects high-temperature systems compressor B and the warm water pot B of insulation by pipeline respectively, in the warm water pot B of described insulation, be provided with high-temperature systems condenser A and high-temperature systems condenser B, described high-temperature systems condenser B connects high-temperature systems compressor B by pipeline, high-temperature systems condenser A connects high-temperature systems compressor A by pipeline, and described high-temperature systems compressor A also connects described compound type heat exchanger by pipeline.
3. a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system according to claim 1, is characterized in that, is provided with miter gate, new wind Electric air valve and rodent-proof mesh in described fresh flue.
4. a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system according to claim 1, is characterized in that, described mixing air guide tank top arranges rodent-proof mesh, and bottom is provided with hydrofuge Electric air valve.
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| CN201210392262.8A CN103727768B (en) | 2012-10-16 | 2012-10-16 | A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system |
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| CN201210392262.8A CN103727768B (en) | 2012-10-16 | 2012-10-16 | A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system |
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| CN103727768A true CN103727768A (en) | 2014-04-16 |
| CN103727768B CN103727768B (en) | 2016-05-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091532A (en) * | 2015-09-30 | 2015-11-25 | 湖南三德科技股份有限公司 | Drying box for automatic testing equipment |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN109827418A (en) * | 2019-01-24 | 2019-05-31 | 佛山市南海翔瀚制冷设备有限公司 | A kind of high temperature overlapping dryer |
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| US5901566A (en) * | 1997-11-20 | 1999-05-11 | Consolidated Technology Corp. | Heat pump |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101216245A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Heat pump drier |
| CN101796361A (en) * | 2007-07-17 | 2010-08-04 | 帕内·孔迪奇 | Energy system for drying moist products |
| CN202371981U (en) * | 2011-11-07 | 2012-08-08 | 胡立 | Drying and dewatering device employing air-source heat pump |
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2012
- 2012-10-16 CN CN201210392262.8A patent/CN103727768B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5901566A (en) * | 1997-11-20 | 1999-05-11 | Consolidated Technology Corp. | Heat pump |
| CN101796361A (en) * | 2007-07-17 | 2010-08-04 | 帕内·孔迪奇 | Energy system for drying moist products |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101216245A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Heat pump drier |
| CN202371981U (en) * | 2011-11-07 | 2012-08-08 | 胡立 | Drying and dewatering device employing air-source heat pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091532A (en) * | 2015-09-30 | 2015-11-25 | 湖南三德科技股份有限公司 | Drying box for automatic testing equipment |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN109827418A (en) * | 2019-01-24 | 2019-05-31 | 佛山市南海翔瀚制冷设备有限公司 | A kind of high temperature overlapping dryer |
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| CN103727768B (en) | 2016-05-18 |
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